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Constitute Variety and Nutrient Analysis of the Different Main Plant Parts of Caragana korshinskii for Animal Feed

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  • Yifan Zhang

    (National Key Laboratory for the Development & Utilization of Forest Food Resources, Nanjing Forestry University, Nanjing 210037, China
    Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
    Jiangsu Province Key Laboratory of Green Biomass-Based Fuels and Chemicals, Nanjing 210037, China)

  • Zhijia Ding

    (National Key Laboratory for the Development & Utilization of Forest Food Resources, Nanjing Forestry University, Nanjing 210037, China
    Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
    Jiangsu Province Key Laboratory of Green Biomass-Based Fuels and Chemicals, Nanjing 210037, China)

  • Xia Hua

    (National Key Laboratory for the Development & Utilization of Forest Food Resources, Nanjing Forestry University, Nanjing 210037, China
    Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
    Jiangsu Province Key Laboratory of Green Biomass-Based Fuels and Chemicals, Nanjing 210037, China)

  • Fuyu Yang

    (College of Animal Science, Guizhou University, Guiyang 550025, China)

  • Xin Zhou

    (National Key Laboratory for the Development & Utilization of Forest Food Resources, Nanjing Forestry University, Nanjing 210037, China
    Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
    Jiangsu Province Key Laboratory of Green Biomass-Based Fuels and Chemicals, Nanjing 210037, China)

  • Yong Xu

    (National Key Laboratory for the Development & Utilization of Forest Food Resources, Nanjing Forestry University, Nanjing 210037, China
    Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
    Jiangsu Province Key Laboratory of Green Biomass-Based Fuels and Chemicals, Nanjing 210037, China)

Abstract

Caragana korshinskii , a protein-rich feed plant in arid regions, lacks comprehensive nutrient analysis. This study compared the chemical composition of its five parts (leaves, bark, twigs, branches, and stems) and evaluated protein quality through amino acid profiling and enzymatic digestion. Results showed that leaves and bark contained higher crude protein (16.6–18.6%) than stems (6.8%), with fiber components (NDF > 81% and ADF > 65%) contributing to structural rigidity. Aspartic acid dominated caragana proteins, while bark and twigs exhibited elevated proline levels. CNCPS analysis revealed leaves contained 53.3% intermediately degradable protein (PB 2 ) versus 11.6% non-protein nitrogen (PA), whereas bark and twigs had 38.8% and 45.8% PA, respectively. Despite higher PA content, bark and twigs demonstrated superior in vitro protein digestibility (73.2% and 67.4%) compared to leaves (61.2%). The findings established baseline nutritional data, highlighting part-specific variations in protein characteristics critical for optimizing caragana’s application in animal feed technology within resource-limited ecosystems.

Suggested Citation

  • Yifan Zhang & Zhijia Ding & Xia Hua & Fuyu Yang & Xin Zhou & Yong Xu, 2025. "Constitute Variety and Nutrient Analysis of the Different Main Plant Parts of Caragana korshinskii for Animal Feed," Agriculture, MDPI, vol. 15(13), pages 1-11, July.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:13:p:1455-:d:1695698
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    References listed on IDEAS

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    1. Weihu Lin & Jianjun Wang & Chong Xu & Dongdong Duan & Wenbo Xu & Pei Tian, 2020. "Effects of Epichloë endophyte and repeated cutting on nutrition compositions of Festuca sinensis," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 66(10), pages 526-532.
    2. Angelo C. Gurgel & John Reilly & Elodie Blanc, 2021. "Challenges in simulating economic effects of climate change on global agricultural markets," Climatic Change, Springer, vol. 166(3), pages 1-21, June.
    3. Xuehong De & Haoming Li & Jianwen Kang & Jiawei Yang, 2024. "Experimental Study on the Cutting and Crushing Performance of Caragana Korshinskii Strips," Agriculture, MDPI, vol. 14(9), pages 1-24, September.
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